Messages in this thread | | | Date | Tue, 3 Jan 2006 08:53:12 -0500 | From | Dave Jones <> | Subject | Re: mm/rmap.c negative page map count BUG. |
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On Tue, Jan 03, 2006 at 10:42:07PM +1100, Nick Piggin wrote:
> Well it isn't PG_reserved, so it is unlikely to be something like ZERO_PAGE. > That kswapd eventually frees it indicates it is a regular pagecache page on > the LRU... so it is unusual that nobody has reported it here. > > Can you reproduce it?
I can't :(
> On a kernel.org kernel?
Only some of our users hit it, which makes it tricky to reproduce.
> Can you print ->flags, ->count, ->mapping, etc instead of going BUG?
I can add some instrumentation like this though, and see what turns up.
thanks,
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